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Baumea gunnii (Hook.f.) S.T.Blake
Family Cyperaceae
Baumea gunnii (Hook.f.) S.T.Blake APNI*

Synonyms: Cladium gunnii Hook.f. APNI*

Description: Slender, tufted perennial with very short rhizome. Culms slender, rigid, ± terete, nodeless, striate, glabrous, scaberulous to smooth, 20–100 cm high, 0.8–1.5 mm diam.

Leaves basal; blade culm-like, as long as to slightly exceeding culm, 0.7–1.5 mm diam., or reduced; sheath reddish or straw-coloured (but then usually with reddish tinges), dull. Inflorescence interrupted-oblong in outline, narrow, erect, 4–30 (rarely to 60) cm long, to 1.5 cm diam.; lowest involucral bract much shorter than inflorescence. Spikelets few, 1-flowered, 4.5–8 mm long. Glumes 2–4, acute, red-brown to grey-brown, with margins glabrous; fertile glumes 4.5–7 mm long. Anthers c. 2 mm long, excluding appendage c. 0.5 mm long.

Nut ovoid or globose, 2.5–3.6 mm long, 1.3–1.8 mm diam., ± smooth, minutely hispid or papillose at extreme apex only, ± shining, yellow-brown to black.

Photo John R. Hosking

Other photo
Photo John R. Hosking

Flowering: spring–summer.

Distribution and occurrence: Grows in swamps and by watercourses; south from La Perouse on coast, south from Backwater on tablelands, with an apparently isolated occurrence on Koonyum Ra.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS
Other Australian states: Qld Vic. Tas. S.A.
AVH map***

Text by K. L. Wilson
Taxon concept: Flora of NSW 4 (1993)

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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